Author: Armin Rigo <[email protected]>
Branch:
Changeset: r75778:97c2a0a39120
Date: 2015-02-09 02:51 +0100
http://bitbucket.org/pypy/pypy/changeset/97c2a0a39120/
Log: It seems that in an obscure case, get_constant_class() is called on
a box that is the constant null. Can't reproduce it with small
tests though...
diff --git a/rpython/jit/metainterp/optimizeopt/optimizer.py
b/rpython/jit/metainterp/optimizeopt/optimizer.py
--- a/rpython/jit/metainterp/optimizeopt/optimizer.py
+++ b/rpython/jit/metainterp/optimizeopt/optimizer.py
@@ -304,7 +304,7 @@
level = self.getlevel()
if level == LEVEL_KNOWNCLASS:
return self.known_class
- elif level == LEVEL_CONSTANT:
+ elif level == LEVEL_CONSTANT and not self.is_null():
return cpu.ts.cls_of_box(self.box)
else:
return None
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